05000316/LER-1979-048-03, /03L-0:on 791201,while in Mode 6,w/refueling Complete,Containment Air Particulate & Air Gaseous Sample Pump Tripped W/Containment Purge in Progress.Caused by Closed Sample Pump Bypass Valve.Valve Adjusted

/03L-0:on 791201,while in Mode 6,w/refueling Complete,Containment Air Particulate & Air Gaseous Sample Pump Tripped W/Containment Purge in Progress.Caused by Closed Sample Pump Bypass Valve.Valve Adjusted

ML17326A431
Person / Time
Site:	Cook
Issue date:	12/27/1979
From:	Rischling J INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17318A526	List: 05000316/LER-1979-048, Forwards LER 79-048/03L-0 05000316/LER-1979-048-03, /03L-0:on 791201,while in Mode 6,w/refueling Complete,Containment Air Particulate & Air Gaseous Sample Pump Tripped W/Containment Purge in Progress.Caused by Closed Sample Pump Bypass Valve.Valve Adjusted
References
LER-79-048-03L, LER-79-48-3L, NUDOCS 8001020396
Download: ML17326A431 (2)

LER-1979-048, /03L-0:on 791201,while in Mode 6,w/refueling Complete,Containment Air Particulate & Air Gaseous Sample Pump Tripped W/Containment Purge in Progress.Caused by Closed Sample Pump Bypass Valve.Valve Adjusted

Event date:
Report date:
3161979048R03 - NRC Website

text

NRC FORM 366 4" U. S. NUCLEAR REGULATORY COMMISSION t7-77)

ICENSEE EVENT REPORT

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4 CONTROL BLOCK:

(PLEASE PRINT OR TYPE ALLREQUIRED INFORMATION)

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LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CON'T

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'OCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10

~O2 WHILE IN MODE 6, WITH REFUELI'NG COMPLETE THE CONTAINMENT AIR PARTICULATE AND AIR GASEOUS SAMPLE PUMP TRIPPED WITH A CONTAINMENT PURGE IN PROGRESS.

THE CON-

~p4 TAINMENT-PURGE AND EXHAUST WAS ISOLATED AS REQUIRED BY T.'S.

TABLE 3.3-6 ACTION 6

REQUIREMENTS.20 AND 22, AND T.S. 3. 9. 9.

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10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LERIRO EVENT YEAR REPORT NO.

CODE TYPE NO.

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ATTACHMENT NPRDQ PRIME COMP.

COMPONENT TAKEN ACTION ON PLANT METHOD HOURS +22 SUBMITTED FORM SUB.

SUPPLIER MANUFACTURER

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INVESTIGATION REVEALED THAT THE SAMPLE PUMP BYPASS VALVE WAS FOUND CLOSED, CREATING A HIGH FLOW CONDITION AND TRIPPED THE SAMPLE PUMP.

THE PUMP WAS RESTARTED AND THE BYPASS VALVE WAS ADJUSTED FOR PROPER FLOW.

THE CAUSE FOR THE VALVE BEING SHUT HAS NOT BEEN DETERMINED.

NO FURTHER ACTION IS PLANNED AT THIS TIME SINCE A T.S.

CHANGE WAS SUBMITTED TO THE NRC ON 12-22-78 TO CHANGE THE APPLICABILITY OF T.S.

ACTIVITY CONTENT RfLEASED OF RELEASE AMOUNTOF ACTIVITY 6

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10 44 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q3 7 ~00 0

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11 12 13 PERSONNEL INJURIES NUMBER

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10 NAME OF PREPARER J.

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